/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product36.cil.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-72570d3
[2020-08-22 21:12:06,051 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-08-22 21:12:06,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-22 21:12:06,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-22 21:12:06,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-22 21:12:06,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-22 21:12:06,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-22 21:12:06,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-22 21:12:06,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-22 21:12:06,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-08-22 21:12:06,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-08-22 21:12:06,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-22 21:12:06,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-22 21:12:06,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-22 21:12:06,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-22 21:12:06,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-22 21:12:06,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-22 21:12:06,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-22 21:12:06,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-22 21:12:06,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-22 21:12:06,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-22 21:12:06,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-22 21:12:06,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-08-22 21:12:06,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-22 21:12:06,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-22 21:12:06,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-22 21:12:06,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-22 21:12:06,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-22 21:12:06,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-08-22 21:12:06,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-08-22 21:12:06,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-22 21:12:06,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-22 21:12:06,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-08-22 21:12:06,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-08-22 21:12:06,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-08-22 21:12:06,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-08-22 21:12:06,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-08-22 21:12:06,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-08-22 21:12:06,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-08-22 21:12:06,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-08-22 21:12:06,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-08-22 21:12:06,165 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf
[2020-08-22 21:12:06,174 INFO L113 SettingsManager]: Loading preferences was successful
[2020-08-22 21:12:06,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-22 21:12:06,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-22 21:12:06,176 INFO L138 SettingsManager]: * sizeof long=4
[2020-08-22 21:12:06,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-08-22 21:12:06,176 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-08-22 21:12:06,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-08-22 21:12:06,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-08-22 21:12:06,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-22 21:12:06,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-08-22 21:12:06,177 INFO L138 SettingsManager]: * sizeof long double=12
[2020-08-22 21:12:06,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-08-22 21:12:06,178 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-08-22 21:12:06,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-08-22 21:12:06,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-22 21:12:06,178 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2020-08-22 21:12:06,179 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-08-22 21:12:06,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-08-22 21:12:06,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-22 21:12:06,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-22 21:12:06,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2020-08-22 21:12:06,180 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-22 21:12:06,180 INFO L138 SettingsManager]: * Use separate solver for trace checks=false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true
[2020-08-22 21:12:06,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-22 21:12:06,514 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-22 21:12:06,518 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-22 21:12:06,520 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-08-22 21:12:06,520 INFO L275 PluginConnector]: CDTParser initialized
[2020-08-22 21:12:06,521 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product36.cil.c
[2020-08-22 21:12:06,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e524c2c6e/2b3d46ec240a4a16b0a4651a649e40e8/FLAG7d055e59d
[2020-08-22 21:12:07,152 INFO L306 CDTParser]: Found 1 translation units.
[2020-08-22 21:12:07,153 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product36.cil.c
[2020-08-22 21:12:07,174 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e524c2c6e/2b3d46ec240a4a16b0a4651a649e40e8/FLAG7d055e59d
[2020-08-22 21:12:07,436 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e524c2c6e/2b3d46ec240a4a16b0a4651a649e40e8
[2020-08-22 21:12:07,446 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-22 21:12:07,448 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-22 21:12:07,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-22 21:12:07,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-22 21:12:07,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-22 21:12:07,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:12:07" (1/1) ...
[2020-08-22 21:12:07,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1da4c468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:07, skipping insertion in model container
[2020-08-22 21:12:07,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:12:07" (1/1) ...
[2020-08-22 21:12:07,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-08-22 21:12:07,519 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-08-22 21:12:08,071 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-08-22 21:12:08,085 INFO L203 MainTranslator]: Completed pre-run
[2020-08-22 21:12:08,156 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-08-22 21:12:08,192 INFO L208 MainTranslator]: Completed translation
[2020-08-22 21:12:08,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:08 WrapperNode
[2020-08-22 21:12:08,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-22 21:12:08,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-22 21:12:08,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-22 21:12:08,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-08-22 21:12:08,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:08" (1/1) ...
[2020-08-22 21:12:08,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:08" (1/1) ...
[2020-08-22 21:12:08,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:08" (1/1) ...
[2020-08-22 21:12:08,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:08" (1/1) ...
[2020-08-22 21:12:08,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:08" (1/1) ...
[2020-08-22 21:12:08,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:08" (1/1) ...
[2020-08-22 21:12:08,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:08" (1/1) ...
[2020-08-22 21:12:08,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-22 21:12:08,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-22 21:12:08,331 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-08-22 21:12:08,332 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-08-22 21:12:08,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:08" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-22 21:12:08,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-22 21:12:08,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-22 21:12:08,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int
[2020-08-22 21:12:08,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail
[2020-08-22 21:12:08,405 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2020-08-22 21:12:08,406 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2020-08-22 21:12:08,406 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment
[2020-08-22 21:12:08,406 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump
[2020-08-22 21:12:08,406 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2020-08-22 21:12:08,406 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2020-08-22 21:12:08,407 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2020-08-22 21:12:08,407 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump
[2020-08-22 21:12:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel
[2020-08-22 21:12:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem
[2020-08-22 21:12:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem
[2020-08-22 21:12:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel
[2020-08-22 21:12:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2020-08-22 21:12:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2020-08-22 21:12:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2020-08-22 21:12:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment
[2020-08-22 21:12:08,411 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel
[2020-08-22 21:12:08,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry
[2020-08-22 21:12:08,413 INFO L138 BoogieDeclarations]: Found implementation of procedure test
[2020-08-22 21:12:08,414 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one
[2020-08-22 21:12:08,414 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features
[2020-08-22 21:12:08,414 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers
[2020-08-22 21:12:08,414 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product
[2020-08-22 21:12:08,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set
[2020-08-22 21:12:08,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free
[2020-08-22 21:12:08,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset
[2020-08-22 21:12:08,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt
[2020-08-22 21:12:08,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg
[2020-08-22 21:12:08,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype
[2020-08-22 21:12:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1
[2020-08-22 21:12:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2020-08-22 21:12:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2
[2020-08-22 21:12:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setup
[2020-08-22 21:12:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest
[2020-08-22 21:12:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-08-22 21:12:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-22 21:12:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-08-22 21:12:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure printf
[2020-08-22 21:12:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail
[2020-08-22 21:12:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel
[2020-08-22 21:12:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2020-08-22 21:12:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment
[2020-08-22 21:12:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry
[2020-08-22 21:12:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2020-08-22 21:12:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump
[2020-08-22 21:12:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2020-08-22 21:12:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2020-08-22 21:12:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure printPump
[2020-08-22 21:12:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem
[2020-08-22 21:12:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem
[2020-08-22 21:12:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1
[2020-08-22 21:12:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment
[2020-08-22 21:12:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2020-08-22 21:12:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel
[2020-08-22 21:12:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2020-08-22 21:12:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-08-22 21:12:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2020-08-22 21:12:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2020-08-22 21:12:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel
[2020-08-22 21:12:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2020-08-22 21:12:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure test
[2020-08-22 21:12:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure select_one
[2020-08-22 21:12:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure select_features
[2020-08-22 21:12:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers
[2020-08-22 21:12:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product
[2020-08-22 21:12:08,422 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-08-22 21:12:08,422 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-08-22 21:12:08,422 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-08-22 21:12:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set
[2020-08-22 21:12:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-08-22 21:12:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-08-22 21:12:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-08-22 21:12:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-08-22 21:12:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free
[2020-08-22 21:12:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-08-22 21:12:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset
[2020-08-22 21:12:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int
[2020-08-22 21:12:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-08-22 21:12:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt
[2020-08-22 21:12:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg
[2020-08-22 21:12:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype
[2020-08-22 21:12:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2
[2020-08-22 21:12:08,426 INFO L130 BoogieDeclarations]: Found specification of procedure setup
[2020-08-22 21:12:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure runTest
[2020-08-22 21:12:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-08-22 21:12:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-22 21:12:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-08-22 21:12:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-22 21:12:09,598 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-22 21:12:09,599 INFO L295 CfgBuilder]: Removed 5 assume(true) statements.
[2020-08-22 21:12:09,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:12:09 BoogieIcfgContainer
[2020-08-22 21:12:09,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-22 21:12:09,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-22 21:12:09,612 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-08-22 21:12:09,615 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-08-22 21:12:09,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 09:12:07" (1/3) ...
[2020-08-22 21:12:09,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13982cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:12:09, skipping insertion in model container
[2020-08-22 21:12:09,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:12:08" (2/3) ...
[2020-08-22 21:12:09,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13982cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:12:09, skipping insertion in model container
[2020-08-22 21:12:09,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:12:09" (3/3) ...
[2020-08-22 21:12:09,620 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product36.cil.c
[2020-08-22 21:12:09,633 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-22 21:12:09,644 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-22 21:12:09,661 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-22 21:12:09,683 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-08-22 21:12:09,683 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-08-22 21:12:09,683 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-08-22 21:12:09,683 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-22 21:12:09,684 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-22 21:12:09,684 INFO L380 AbstractCegarLoop]: Difference is false
[2020-08-22 21:12:09,684 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-22 21:12:09,684 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-22 21:12:09,713 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states.
[2020-08-22 21:12:09,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2020-08-22 21:12:09,747 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:12:09,748 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-22 21:12:09,749 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:12:09,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:12:09,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1033241294, now seen corresponding path program 1 times
[2020-08-22 21:12:09,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:12:09,769 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [433786340]
[2020-08-22 21:12:09,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:12:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:10,477 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-22 21:12:10,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 21:12:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:10,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-08-22 21:12:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:10,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-08-22 21:12:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:10,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-08-22 21:12:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:10,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-08-22 21:12:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:10,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-08-22 21:12:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:10,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2020-08-22 21:12:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:10,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-22 21:12:10,630 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [433786340]
[2020-08-22 21:12:10,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 21:12:10,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-08-22 21:12:10,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627067289]
[2020-08-22 21:12:10,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-08-22 21:12:10,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 21:12:10,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-08-22 21:12:10,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-22 21:12:10,672 INFO L87 Difference]: Start difference. First operand 297 states. Second operand 3 states.
[2020-08-22 21:12:11,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 21:12:11,961 INFO L93 Difference]: Finished difference Result 448 states and 534 transitions.
[2020-08-22 21:12:11,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-08-22 21:12:11,963 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142
[2020-08-22 21:12:11,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 21:12:11,981 INFO L225 Difference]: With dead ends: 448
[2020-08-22 21:12:11,981 INFO L226 Difference]: Without dead ends: 282
[2020-08-22 21:12:11,986 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-22 21:12:12,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states.
[2020-08-22 21:12:12,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 240.
[2020-08-22 21:12:12,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states.
[2020-08-22 21:12:12,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 259 transitions.
[2020-08-22 21:12:12,118 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 259 transitions. Word has length 142
[2020-08-22 21:12:12,119 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 21:12:12,119 INFO L479 AbstractCegarLoop]: Abstraction has 240 states and 259 transitions.
[2020-08-22 21:12:12,119 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-08-22 21:12:12,119 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 259 transitions.
[2020-08-22 21:12:12,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144
[2020-08-22 21:12:12,123 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:12:12,123 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-22 21:12:12,123 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-22 21:12:12,124 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:12:12,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:12:12,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1951375081, now seen corresponding path program 1 times
[2020-08-22 21:12:12,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:12:12,125 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1684586634]
[2020-08-22 21:12:12,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:12:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:12,492 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-22 21:12:12,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 21:12:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:12,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-08-22 21:12:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:12,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-08-22 21:12:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:12,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-08-22 21:12:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:12,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-08-22 21:12:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:12,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121
[2020-08-22 21:12:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:12,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131
[2020-08-22 21:12:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:12,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-22 21:12:12,599 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1684586634]
[2020-08-22 21:12:12,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 21:12:12,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-08-22 21:12:12,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850913744]
[2020-08-22 21:12:12,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states
[2020-08-22 21:12:12,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 21:12:12,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2020-08-22 21:12:12,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2020-08-22 21:12:12,603 INFO L87 Difference]: Start difference. First operand 240 states and 259 transitions. Second operand 4 states.
[2020-08-22 21:12:13,198 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-22 21:12:13,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 21:12:13,998 INFO L93 Difference]: Finished difference Result 352 states and 395 transitions.
[2020-08-22 21:12:14,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2020-08-22 21:12:14,003 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143
[2020-08-22 21:12:14,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 21:12:14,007 INFO L225 Difference]: With dead ends: 352
[2020-08-22 21:12:14,008 INFO L226 Difference]: Without dead ends: 265
[2020-08-22 21:12:14,009 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2020-08-22 21:12:14,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states.
[2020-08-22 21:12:14,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 230.
[2020-08-22 21:12:14,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states.
[2020-08-22 21:12:14,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 246 transitions.
[2020-08-22 21:12:14,083 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 246 transitions. Word has length 143
[2020-08-22 21:12:14,083 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 21:12:14,083 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 246 transitions.
[2020-08-22 21:12:14,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2020-08-22 21:12:14,084 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 246 transitions.
[2020-08-22 21:12:14,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157
[2020-08-22 21:12:14,086 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:12:14,086 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-22 21:12:14,086 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-08-22 21:12:14,087 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:12:14,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:12:14,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1408786884, now seen corresponding path program 1 times
[2020-08-22 21:12:14,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:12:14,088 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1432222661]
[2020-08-22 21:12:14,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:12:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:14,395 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-22 21:12:14,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 21:12:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:14,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-08-22 21:12:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:14,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-08-22 21:12:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:14,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-08-22 21:12:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:14,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-08-22 21:12:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:14,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124
[2020-08-22 21:12:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:14,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134
[2020-08-22 21:12:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:14,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144
[2020-08-22 21:12:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:14,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-22 21:12:14,515 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1432222661]
[2020-08-22 21:12:14,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 21:12:14,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-08-22 21:12:14,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299673645]
[2020-08-22 21:12:14,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-08-22 21:12:14,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 21:12:14,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-08-22 21:12:14,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-08-22 21:12:14,517 INFO L87 Difference]: Start difference. First operand 230 states and 246 transitions. Second operand 10 states.
[2020-08-22 21:12:14,983 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-22 21:12:15,307 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-22 21:12:15,552 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192
[2020-08-22 21:12:15,791 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:12:16,024 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-22 21:12:16,285 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:12:17,124 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-22 21:12:19,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 21:12:19,136 INFO L93 Difference]: Finished difference Result 621 states and 722 transitions.
[2020-08-22 21:12:19,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2020-08-22 21:12:19,136 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 156
[2020-08-22 21:12:19,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 21:12:19,142 INFO L225 Difference]: With dead ends: 621
[2020-08-22 21:12:19,142 INFO L226 Difference]: Without dead ends: 501
[2020-08-22 21:12:19,144 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342
[2020-08-22 21:12:19,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states.
[2020-08-22 21:12:19,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 398.
[2020-08-22 21:12:19,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states.
[2020-08-22 21:12:19,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 440 transitions.
[2020-08-22 21:12:19,315 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 440 transitions. Word has length 156
[2020-08-22 21:12:19,315 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 21:12:19,315 INFO L479 AbstractCegarLoop]: Abstraction has 398 states and 440 transitions.
[2020-08-22 21:12:19,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-08-22 21:12:19,316 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 440 transitions.
[2020-08-22 21:12:19,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162
[2020-08-22 21:12:19,317 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:12:19,318 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-22 21:12:19,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-08-22 21:12:19,318 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:12:19,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:12:19,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1641209859, now seen corresponding path program 1 times
[2020-08-22 21:12:19,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:12:19,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [576120185]
[2020-08-22 21:12:19,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:12:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:19,649 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-22 21:12:19,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 21:12:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:19,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-08-22 21:12:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:19,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-08-22 21:12:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:19,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-08-22 21:12:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:19,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-08-22 21:12:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:19,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128
[2020-08-22 21:12:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:19,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139
[2020-08-22 21:12:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:19,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149
[2020-08-22 21:12:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:19,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-22 21:12:19,765 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [576120185]
[2020-08-22 21:12:19,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 21:12:19,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2020-08-22 21:12:19,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728324987]
[2020-08-22 21:12:19,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-08-22 21:12:19,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 21:12:19,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-08-22 21:12:19,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2020-08-22 21:12:19,767 INFO L87 Difference]: Start difference. First operand 398 states and 440 transitions. Second operand 9 states.
[2020-08-22 21:12:20,407 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-22 21:12:21,679 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:12:21,956 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-22 21:12:22,277 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:12:22,538 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-22 21:12:22,771 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-22 21:12:23,006 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:12:23,250 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:12:23,669 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-22 21:12:24,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 21:12:24,550 INFO L93 Difference]: Finished difference Result 1084 states and 1296 transitions.
[2020-08-22 21:12:24,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2020-08-22 21:12:24,551 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161
[2020-08-22 21:12:24,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 21:12:24,558 INFO L225 Difference]: With dead ends: 1084
[2020-08-22 21:12:24,558 INFO L226 Difference]: Without dead ends: 796
[2020-08-22 21:12:24,562 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342
[2020-08-22 21:12:24,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states.
[2020-08-22 21:12:24,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 647.
[2020-08-22 21:12:24,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states.
[2020-08-22 21:12:24,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 726 transitions.
[2020-08-22 21:12:24,760 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 726 transitions. Word has length 161
[2020-08-22 21:12:24,761 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 21:12:24,761 INFO L479 AbstractCegarLoop]: Abstraction has 647 states and 726 transitions.
[2020-08-22 21:12:24,761 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-08-22 21:12:24,761 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 726 transitions.
[2020-08-22 21:12:24,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167
[2020-08-22 21:12:24,765 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:12:24,765 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-22 21:12:24,765 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-08-22 21:12:24,765 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:12:24,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:12:24,766 INFO L82 PathProgramCache]: Analyzing trace with hash 804799078, now seen corresponding path program 1 times
[2020-08-22 21:12:24,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:12:24,766 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [550066172]
[2020-08-22 21:12:24,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:12:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:25,078 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-22 21:12:25,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 21:12:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:25,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-08-22 21:12:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:25,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-08-22 21:12:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:25,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-08-22 21:12:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:25,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-08-22 21:12:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:25,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-08-22 21:12:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:25,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133
[2020-08-22 21:12:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:25,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144
[2020-08-22 21:12:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:25,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154
[2020-08-22 21:12:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:25,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-22 21:12:25,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [550066172]
[2020-08-22 21:12:25,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 21:12:25,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2020-08-22 21:12:25,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144548334]
[2020-08-22 21:12:25,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states
[2020-08-22 21:12:25,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 21:12:25,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2020-08-22 21:12:25,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2020-08-22 21:12:25,258 INFO L87 Difference]: Start difference. First operand 647 states and 726 transitions. Second operand 10 states.
[2020-08-22 21:12:25,776 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-22 21:12:27,022 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:12:27,248 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-22 21:12:27,522 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:12:27,805 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190
[2020-08-22 21:12:28,058 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:12:28,670 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-22 21:12:28,921 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:12:29,257 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-22 21:12:30,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 21:12:30,139 INFO L93 Difference]: Finished difference Result 1719 states and 2093 transitions.
[2020-08-22 21:12:30,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2020-08-22 21:12:30,139 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 166
[2020-08-22 21:12:30,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 21:12:30,148 INFO L225 Difference]: With dead ends: 1719
[2020-08-22 21:12:30,149 INFO L226 Difference]: Without dead ends: 1182
[2020-08-22 21:12:30,151 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506
[2020-08-22 21:12:30,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states.
[2020-08-22 21:12:30,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 937.
[2020-08-22 21:12:30,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 937 states.
[2020-08-22 21:12:30,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1073 transitions.
[2020-08-22 21:12:30,454 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1073 transitions. Word has length 166
[2020-08-22 21:12:30,454 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 21:12:30,455 INFO L479 AbstractCegarLoop]: Abstraction has 937 states and 1073 transitions.
[2020-08-22 21:12:30,455 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states.
[2020-08-22 21:12:30,455 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1073 transitions.
[2020-08-22 21:12:30,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195
[2020-08-22 21:12:30,459 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:12:30,459 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-22 21:12:30,459 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-08-22 21:12:30,459 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:12:30,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:12:30,460 INFO L82 PathProgramCache]: Analyzing trace with hash 633475050, now seen corresponding path program 1 times
[2020-08-22 21:12:30,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:12:30,460 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1770478523]
[2020-08-22 21:12:30,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:12:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:30,711 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-22 21:12:30,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 21:12:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:30,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-08-22 21:12:30,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:30,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-08-22 21:12:30,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:30,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-08-22 21:12:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:30,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-08-22 21:12:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:30,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-08-22 21:12:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:30,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-08-22 21:12:30,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:30,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136
[2020-08-22 21:12:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:30,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-08-22 21:12:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:30,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-08-22 21:12:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:30,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-08-22 21:12:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:30,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172
[2020-08-22 21:12:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:30,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182
[2020-08-22 21:12:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:30,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-22 21:12:30,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1770478523]
[2020-08-22 21:12:30,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 21:12:30,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2020-08-22 21:12:30,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076485250]
[2020-08-22 21:12:30,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-08-22 21:12:30,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 21:12:30,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-08-22 21:12:30,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110
[2020-08-22 21:12:30,927 INFO L87 Difference]: Start difference. First operand 937 states and 1073 transitions. Second operand 11 states.
[2020-08-22 21:12:32,326 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:12:32,587 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-22 21:12:32,860 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 194
[2020-08-22 21:12:33,128 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-22 21:12:33,398 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-22 21:12:33,647 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-22 21:12:35,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 21:12:35,280 INFO L93 Difference]: Finished difference Result 2368 states and 2969 transitions.
[2020-08-22 21:12:35,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2020-08-22 21:12:35,281 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 194
[2020-08-22 21:12:35,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 21:12:35,291 INFO L225 Difference]: With dead ends: 2368
[2020-08-22 21:12:35,291 INFO L226 Difference]: Without dead ends: 1541
[2020-08-22 21:12:35,295 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420
[2020-08-22 21:12:35,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1541 states.
[2020-08-22 21:12:35,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1541 to 975.
[2020-08-22 21:12:35,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 975 states.
[2020-08-22 21:12:35,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1111 transitions.
[2020-08-22 21:12:35,674 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1111 transitions. Word has length 194
[2020-08-22 21:12:35,675 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 21:12:35,675 INFO L479 AbstractCegarLoop]: Abstraction has 975 states and 1111 transitions.
[2020-08-22 21:12:35,675 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states.
[2020-08-22 21:12:35,675 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1111 transitions.
[2020-08-22 21:12:35,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195
[2020-08-22 21:12:35,679 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:12:35,679 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-22 21:12:35,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2020-08-22 21:12:35,680 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:12:35,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:12:35,680 INFO L82 PathProgramCache]: Analyzing trace with hash -788765814, now seen corresponding path program 1 times
[2020-08-22 21:12:35,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:12:35,681 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1738899994]
[2020-08-22 21:12:35,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:12:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:35,923 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-22 21:12:35,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 21:12:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:35,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-08-22 21:12:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:35,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-08-22 21:12:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:35,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-08-22 21:12:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:35,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-08-22 21:12:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:35,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-08-22 21:12:35,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:36,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-08-22 21:12:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:36,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136
[2020-08-22 21:12:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:36,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-08-22 21:12:36,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:36,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-08-22 21:12:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:36,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-08-22 21:12:36,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:36,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172
[2020-08-22 21:12:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:36,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182
[2020-08-22 21:12:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:36,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-22 21:12:36,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1738899994]
[2020-08-22 21:12:36,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 21:12:36,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2020-08-22 21:12:36,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059394346]
[2020-08-22 21:12:36,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states
[2020-08-22 21:12:36,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 21:12:36,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2020-08-22 21:12:36,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182
[2020-08-22 21:12:36,110 INFO L87 Difference]: Start difference. First operand 975 states and 1111 transitions. Second operand 14 states.
[2020-08-22 21:12:36,641 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188
[2020-08-22 21:12:36,876 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191
[2020-08-22 21:12:37,112 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-22 21:12:37,356 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-22 21:12:37,589 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-22 21:12:38,518 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-22 21:12:38,761 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-22 21:12:39,024 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-22 21:12:39,284 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189
[2020-08-22 21:12:39,520 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187
[2020-08-22 21:12:40,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 21:12:40,984 INFO L93 Difference]: Finished difference Result 2450 states and 3110 transitions.
[2020-08-22 21:12:40,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states.
[2020-08-22 21:12:40,984 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 194
[2020-08-22 21:12:40,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 21:12:40,994 INFO L225 Difference]: With dead ends: 2450
[2020-08-22 21:12:40,994 INFO L226 Difference]: Without dead ends: 1585
[2020-08-22 21:12:40,998 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756
[2020-08-22 21:12:41,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1585 states.
[2020-08-22 21:12:41,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1585 to 999.
[2020-08-22 21:12:41,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 999 states.
[2020-08-22 21:12:41,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1135 transitions.
[2020-08-22 21:12:41,289 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1135 transitions. Word has length 194
[2020-08-22 21:12:41,290 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 21:12:41,290 INFO L479 AbstractCegarLoop]: Abstraction has 999 states and 1135 transitions.
[2020-08-22 21:12:41,290 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states.
[2020-08-22 21:12:41,290 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1135 transitions.
[2020-08-22 21:12:41,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195
[2020-08-22 21:12:41,294 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:12:41,294 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-22 21:12:41,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-08-22 21:12:41,294 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:12:41,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:12:41,295 INFO L82 PathProgramCache]: Analyzing trace with hash -580417043, now seen corresponding path program 1 times
[2020-08-22 21:12:41,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:12:41,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1391638388]
[2020-08-22 21:12:41,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:12:41,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:41,588 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184
[2020-08-22 21:12:41,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 21:12:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:41,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2020-08-22 21:12:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:41,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2020-08-22 21:12:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:41,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2020-08-22 21:12:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:41,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2020-08-22 21:12:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:41,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2020-08-22 21:12:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:41,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129
[2020-08-22 21:12:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:41,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136
[2020-08-22 21:12:41,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:41,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2020-08-22 21:12:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:41,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2020-08-22 21:12:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:41,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2020-08-22 21:12:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:41,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172
[2020-08-22 21:12:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:41,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182
[2020-08-22 21:12:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 21:12:41,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-22 21:12:41,806 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1391638388]
[2020-08-22 21:12:41,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 21:12:41,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-08-22 21:12:41,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834515764]
[2020-08-22 21:12:41,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-08-22 21:12:41,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 21:12:41,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-08-22 21:12:41,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2020-08-22 21:12:41,808 INFO L87 Difference]: Start difference. First operand 999 states and 1135 transitions. Second operand 8 states.
[2020-08-22 21:12:42,241 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-22 21:12:42,736 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 186
[2020-08-22 21:12:46,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 21:12:46,286 INFO L93 Difference]: Finished difference Result 3927 states and 5016 transitions.
[2020-08-22 21:12:46,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states.
[2020-08-22 21:12:46,286 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 194
[2020-08-22 21:12:46,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 21:12:46,304 INFO L225 Difference]: With dead ends: 3927
[2020-08-22 21:12:46,304 INFO L226 Difference]: Without dead ends: 3038
[2020-08-22 21:12:46,308 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600
[2020-08-22 21:12:46,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3038 states.
[2020-08-22 21:12:47,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3038 to 2139.
[2020-08-22 21:12:47,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2139 states.
[2020-08-22 21:12:47,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 2139 states and 2463 transitions.
[2020-08-22 21:12:47,280 INFO L78 Accepts]: Start accepts. Automaton has 2139 states and 2463 transitions. Word has length 194
[2020-08-22 21:12:47,281 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 21:12:47,281 INFO L479 AbstractCegarLoop]: Abstraction has 2139 states and 2463 transitions.
[2020-08-22 21:12:47,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-08-22 21:12:47,281 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2463 transitions.
[2020-08-22 21:12:47,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200
[2020-08-22 21:12:47,287 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 21:12:47,287 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-08-22 21:12:47,288 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-08-22 21:12:47,288 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 21:12:47,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 21:12:47,288 INFO L82 PathProgramCache]: Analyzing trace with hash -2090495192, now seen corresponding path program 1 times
[2020-08-22 21:12:47,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 21:12:47,289 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [41299223]
[2020-08-22 21:12:47,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 21:12:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-08-22 21:12:47,348 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-08-22 21:12:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-08-22 21:12:47,395 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-08-22 21:12:47,617 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-08-22 21:12:47,617 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-08-22 21:12:47,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2020-08-22 21:12:47,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 09:12:47 BoogieIcfgContainer
[2020-08-22 21:12:47,885 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-08-22 21:12:47,889 INFO L168 Benchmark]: Toolchain (without parser) took 40441.25 ms. Allocated memory was 139.5 MB in the beginning and 972.6 MB in the end (delta: 833.1 MB). Free memory was 102.3 MB in the beginning and 734.2 MB in the end (delta: -631.9 MB). Peak memory consumption was 201.2 MB. Max. memory is 7.1 GB.
[2020-08-22 21:12:47,890 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-08-22 21:12:47,890 INFO L168 Benchmark]: CACSL2BoogieTranslator took 743.78 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 102.1 MB in the beginning and 169.5 MB in the end (delta: -67.4 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB.
[2020-08-22 21:12:47,891 INFO L168 Benchmark]: Boogie Preprocessor took 137.52 ms. Allocated memory is still 203.4 MB. Free memory was 169.5 MB in the beginning and 165.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
[2020-08-22 21:12:47,895 INFO L168 Benchmark]: RCFGBuilder took 1277.36 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 165.5 MB in the beginning and 176.2 MB in the end (delta: -10.7 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB.
[2020-08-22 21:12:47,896 INFO L168 Benchmark]: TraceAbstraction took 38273.23 ms. Allocated memory was 237.0 MB in the beginning and 972.6 MB in the end (delta: 735.6 MB). Free memory was 176.2 MB in the beginning and 734.2 MB in the end (delta: -558.0 MB). Peak memory consumption was 177.6 MB. Max. memory is 7.1 GB.
[2020-08-22 21:12:47,899 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 743.78 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 102.1 MB in the beginning and 169.5 MB in the end (delta: -67.4 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 137.52 ms. Allocated memory is still 203.4 MB. Free memory was 169.5 MB in the beginning and 165.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1277.36 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 165.5 MB in the beginning and 176.2 MB in the end (delta: -10.7 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 38273.23 ms. Allocated memory was 237.0 MB in the beginning and 972.6 MB in the end (delta: 735.6 MB). Free memory was 176.2 MB in the beginning and 734.2 MB in the end (delta: -558.0 MB). Peak memory consumption was 177.6 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L60] int pumpRunning = 0;
VAL [\old(cleanupTimeShifts)=169, \old(head)=176, \old(head)=159, \old(methaneLevelCritical)=140, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=138, cleanupTimeShifts=169, head={176:159}, methaneLevelCritical=140, pumpRunning=0, systemActive=133, waterLevel=138]
[L61] int systemActive = 1;
VAL [\old(cleanupTimeShifts)=169, \old(head)=159, \old(head)=176, \old(methaneLevelCritical)=140, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=138, cleanupTimeShifts=169, head={176:159}, methaneLevelCritical=140, pumpRunning=0, systemActive=1, waterLevel=138]
[L239] int waterLevel = 1;
VAL [\old(cleanupTimeShifts)=169, \old(head)=176, \old(head)=159, \old(methaneLevelCritical)=140, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=138, cleanupTimeShifts=169, head={176:159}, methaneLevelCritical=140, pumpRunning=0, systemActive=1, waterLevel=1]
[L240] int methaneLevelCritical = 0;
VAL [\old(cleanupTimeShifts)=169, \old(head)=159, \old(head)=176, \old(methaneLevelCritical)=140, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=138, cleanupTimeShifts=169, head={176:159}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L610] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [\old(cleanupTimeShifts)=169, \old(head)=159, \old(head)=176, \old(methaneLevelCritical)=140, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=138, cleanupTimeShifts=169, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L833] int cleanupTimeShifts = 4;
VAL [\old(cleanupTimeShifts)=169, \old(head)=159, \old(head)=176, \old(methaneLevelCritical)=140, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L906] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L907] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L911] FCALL select_helpers()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L912] FCALL select_features()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L913] CALL, EXPR valid_product()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L432] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L435] retValue_acc = 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L436] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L913] RET, EXPR valid_product()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1]
[L913] tmp = valid_product()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1]
[L915] COND TRUE \read(tmp)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1]
[L917] FCALL setup()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1]
[L918] CALL runTest()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L900] CALL test()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L335] int splverifierCounter ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L336] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L337] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L338] int tmp___1 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L339] int tmp___2 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L342] splverifierCounter = 0
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L344] COND TRUE 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L346] COND TRUE splverifierCounter < 4
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L352] tmp = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1]
[L354] COND TRUE \read(tmp)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1]
[L356] CALL waterRise()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L257] COND TRUE waterLevel < 2
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L258] waterLevel = waterLevel + 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L356] RET waterRise()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2]
[L362] tmp___0 = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2]
[L364] COND TRUE \read(tmp___0)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2]
[L366] CALL changeMethaneLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L269] COND FALSE !(\read(methaneLevelCritical))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L272] methaneLevelCritical = 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L366] RET changeMethaneLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2]
[L372] tmp___2 = __VERIFIER_nondet_int()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2]
[L374] COND TRUE \read(tmp___2)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2]
[L376] CALL startSystem()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L231] systemActive = 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L376] RET startSystem()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2]
[L391] CALL timeShift()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L68] COND FALSE !(\read(pumpRunning))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L75] COND TRUE \read(systemActive)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L77] CALL processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L97] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L100] COND TRUE ! pumpRunning
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L102] CALL, EXPR isHighWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L194] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L195] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L196] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L200] CALL, EXPR isHighWaterSensorDry()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L319] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L322] COND FALSE !(waterLevel < 2)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L326] retValue_acc = 0
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L327] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L200] RET, EXPR isHighWaterSensorDry()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L200] tmp = isHighWaterSensorDry()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2]
[L202] COND FALSE !(\read(tmp))
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2]
[L205] tmp___0 = 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2]
[L207] retValue_acc = tmp___0
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2]
[L208] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2]
[L102] RET, EXPR isHighWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L102] tmp = isHighWaterLevel()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2]
[L104] COND TRUE \read(tmp)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2]
[L106] CALL activatePump()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L125] pumpRunning = 1
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L106] RET activatePump()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2]
[L77] RET processEnvironment()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L83] CALL __utac_acc__Specification1_spec__1()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L808] int tmp ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L809] int tmp___0 ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L813] CALL, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L278] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L281] retValue_acc = methaneLevelCritical
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2]
[L282] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2]
[L813] RET, EXPR isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L813] tmp = isMethaneLevelCritical()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2]
[L815] COND TRUE \read(tmp)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2]
[L817] CALL, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L149] int retValue_acc ;
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L152] retValue_acc = pumpRunning
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2]
[L153] return (retValue_acc);
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2]
[L817] RET, EXPR isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2]
[L817] tmp___0 = isPumpRunning()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2]
[L819] COND TRUE \read(tmp___0)
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2]
[L821] CALL __automaton_fail()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L44] __VERIFIER_error()
VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 39 procedures, 616 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 37.9s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 30.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1857 SDtfs, 4352 SDslu, 4142 SDs, 0 SdLazy, 8063 SolverSat, 1473 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 324 GetRequests, 195 SyntacticMatches, 2 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 12.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2139occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 2625 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 1549 NumberOfCodeBlocks, 1549 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1342 ConstructedInterpolants, 0 QuantifiedInterpolants, 567023 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...